table {
    width: auto;
    background: #ccc;
    margin: 10px auto;
    border-collapse: collapse;/*border-collapse:collapse合并内外边距(去除表格单元格默认的2个像素内外边距*/
}
th,td {
    height: 25px;
    line-height: 25px;
    text-align: center;
    border: 1px solid #ccc;
}
th {
    background: #eee;
    font-weight: normal;
}
tr {
    background: #fff;
}
tr:hover {
    background: #cc0;
}
td a {
    color: #06f;
    text-decoration: none;
}
td a:hover {
    color: #06f;
    text-decoration: underline;
}
input{
    border-style:none;
}
.mybt{
    background-color: white;
    color: blue;
}